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Don't forget to promote xform function to an explicit node for def : Pat<>

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patterns.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26929 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-03-21 20:44:17 +00:00
parent 384504cea6
commit 3a7a14b0ae
1 changed files with 20 additions and 1 deletions
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21
utils/TableGen/DAGISelEmitter.cpp
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@ -1446,6 +1446,25 @@ void DAGISelEmitter::ParsePatterns() {
Result->error("Cannot handle instructions producing instructions "
"with temporaries yet!");
// Promote the xform function to be an explicit node if set.
std::vector<TreePatternNode*> ResultNodeOperands;
TreePatternNode *DstPattern = Result->getOnlyTree();
for (unsigned ii = 0, ee = DstPattern->getNumChildren(); ii != ee; ++ii) {
TreePatternNode *OpNode = DstPattern->getChild(ii);
if (Record *Xform = OpNode->getTransformFn()) {
OpNode->setTransformFn(0);
std::vector<TreePatternNode*> Children;
Children.push_back(OpNode);
OpNode = new TreePatternNode(Xform, Children);
}
ResultNodeOperands.push_back(OpNode);
}
DstPattern = new TreePatternNode(Result->getOnlyTree()->getOperator(),
ResultNodeOperands);
DstPattern->setTypes(Result->getOnlyTree()->getExtTypes());
TreePattern Temp(Result->getRecord(), DstPattern, false, *this);
Temp.InferAllTypes();
std::string Reason;
if (!Pattern->getOnlyTree()->canPatternMatch(Reason, *this))
Pattern->error("Pattern can never match: " + Reason);
@ -1453,7 +1472,7 @@ void DAGISelEmitter::ParsePatterns() {
PatternsToMatch.
push_back(PatternToMatch(Patterns[i]->getValueAsListInit("Predicates"),
Pattern->getOnlyTree(),
Result->getOnlyTree()));
Temp.getOnlyTree()));
}
}